Your friend surveyed 100 people who took either vitamin C, zinc, or Echinacea supplements to prevent getting a cold. The participants were asked if they had a cold or no cold in the last 30 days. Your friend surveyed 100 people who took either vitamin C, zinc, or Echinacea supplements to prevent getting a cold. The participants were asked if they had a cold or no cold in the last 30 days. no cold cold total
vitamin C 41 15 56
zinc 12 5 17
echinacea 21 6 27
total 74 26 100

What ratio of people in the survey took Echinacea?
What ratio of participants who took vitamin C reported having a cold in the last 30 days?
What ratio of people who reported having a cold took zinc?

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Question: Your friend surveyed 100 people who took either vitamin C, zinc, or Echinacea supplements to prevent getting a cold. The participants were asked if they had a cold or no cold in the last 30 days. Your friend surveyed 100 people who took either vitamin C, zinc, or Echinacea supplements to prevent getting a cold. The participants were asked if they had a cold or no cold in the last 30 days.

no cold cold total

vitamin C 41 15 56

zinc 12 5 17

echinacea 21 6 27

total 74 26 100

What ratio of people in the survey took Echinacea?

What ratio of participants who took vitamin C reported having a cold in the last 30 days?

What ratio of people who reported having a cold took zinc?

The answer to this question is 26.79 percent or 27%

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